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<TITLE>80386 Programmer's Reference Manual -- Chapter 08</TITLE>
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<H1>Chapter 8  Input/Output</H1>
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This chapter presents the I/O features of the 80386 from the following
perspectives:
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<LI>Methods of addressing I/O ports

<LI>Instructions that cause I/O operations

<LI>Protection as it applies to the use of I/O instructions and I/O port
     addresses.
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<A HREF="s08_01.htm">8.1  I/O Addressing</A><BR>
<A HREF="s08_02.htm">8.2  I/O Instructions</A><BR>
<A HREF="s08_03.htm">8.3  Protection and I/O</A>
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